Table 5. Superzyme addition into reduced energy and reduced amino acid diet on body weight of the broiler chickens
Item | Treatment1) | SEM | p-value2) |
PC | NC-1 | NC-2 | NC-1 + 1X | NC-2 + 1X | NC-1 + 2X | NC-2 + 2X | Overall | Energy | AA |
Day 7 | 142.02a | 114.37cd | 105.37d | 126.00bc | 115.65cd | 137.11ab | 115.07cd | 2.159 | 0.001 | 0.001 | 0.024 |
Day 14 | 378.03a | 304.11cd | 252.24e | 328.37bc | 268.78de | 356.10ab | 288.10de | 7.265 | 0.001 | 0.007 | 0.016 |
Day 21 | 796.55a | 647.37c | 532.18e | 700.71bc | 555.92de | 736.50ab | 623.58cd | 15.457 | 0.001 | 0.032 | 0.002 |
Day 28 | 1,311.64a | 1,044.74cd | 959.30d | 1,136.35bc | 1,051.96cd | 1,287.39ab | 1,161.12abc | 22.580 | 0.001 | 0.001 | 0.005 |
Day 35 | 1,913.44a | 1,615.71b | 1,541.03b | 1,729.46ab | 1,606.48b | 1,924.26a | 1,764.50ab | 28.380 | 0.001 | 0.001 | 0.066 |
PC, nutrient sufficient diet; NC-1, 120 kcal/kg, reduce energy diet; NC-2, 3%, digestible amino acid reduced diet; 1X, 0.025% superzyme-CS addition; 2X, 0.05% superzyme-CS addition.
Overall, p-value for all treatment effect; Energy, p-value for enzyme effect on reduced energy diets; AA, p-value for enzyme effect on reduced amino acid diets.
Means within a same column with no common superscript differ significantly (p < 0.05).
PC, positive control; NC, negative control.